diff --git a/features/support/env.rb b/features/support/env.rb
index 38bab950..c64b9311 100644
--- a/features/support/env.rb
+++ b/features/support/env.rb
@@ -2,10 +2,6 @@ require 'fileutils'
 require 'rr'
 require 'test/unit'
 
-World do
-  include Test::Unit::Assertions
-end
-
 TEST_DIR    = File.join('/', 'tmp', 'jekyll')
 JEKYLL_PATH = File.join(File.dirname(__FILE__), '..', '..', 'bin', 'jekyll')